+/**
+ * Frees a newly created ir operation.
+ */
+void free_ir_op(ir_op *code);
+
+/** Initialize the irop module. */
+void init_op(void);
+
+/** Free memory used by irop module. */
+void finish_op(void);
+
+/**
+ * Copies simply all attributes stored in the old node to the new node.
+ * Assumes both have the same opcode and sufficient size.
+ *
+ * @param old_node the old node from which the attributes are read
+ * @param new_node the new node to which the attributes are written
+ */
+void default_copy_attr(const ir_node *old_node, ir_node *new_node);
+
+/**
+ * Returns the attribute size of nodes of this opcode.
+ * @note Use not encouraged, internal feature.
+ */
+static INLINE int get_op_attr_size (const ir_op *op) {
+ return op->attr_size;
+}
+
+/**
+ * Returns non-zero if op is a control flow opcode,
+ * like Start, End, Jmp, Cond, Return, Raise or Bad.
+ */
+static INLINE int is_cfopcode(const ir_op *op) {
+ return op->flags & irop_flag_cfopcode;
+}
+
+/**
+ * Returns non-zero if the operation manipulates interprocedural control flow:
+ * CallBegin, EndReg, EndExcept
+ */
+static INLINE int is_ip_cfopcode(const ir_op *op) {
+ return op->flags & irop_flag_ip_cfopcode;
+}
+
+/** Returns non-zero if operation is commutative */
+static INLINE int is_op_commutative(const ir_op *op) {
+ return op->flags & irop_flag_commutative;
+}
+
+/** Returns non-zero if operation is fragile */
+static INLINE int is_op_fragile(const ir_op *op) {
+ return op->flags & irop_flag_fragile;
+}
+
+/** Returns non-zero if operation is forking control flow */
+static INLINE int is_op_forking(const ir_op *op) {
+ return op->flags & irop_flag_forking;
+}
+
+/** Returns non-zero if operation is a high-level op */
+static INLINE int is_op_highlevel(const ir_op *op) {
+ return op->flags & irop_flag_highlevel;
+}
+
+/** Returns non-zero if operation is a const-like op */
+static INLINE int is_op_constlike(const ir_op *op) {
+ return op->flags & irop_flag_constlike;
+}
+
+static INLINE opcode _get_op_code(const ir_op *op) {
+ return op->code;
+}
+
+static INLINE ident *_get_op_ident(const ir_op *op){
+ return op->name;
+}
+
+static INLINE op_pin_state _get_op_pinned(const ir_op *op) {
+ return op->op_pin_state_pinned;
+}
+
+static INLINE void _set_generic_function_ptr(ir_op *op, op_func func) {
+ op->ops.generic = func;
+}
+
+static INLINE op_func _get_generic_function_ptr(const ir_op *op) {
+ return op->ops.generic;
+}
+
+static INLINE const ir_op_ops *_get_op_ops(const ir_op *op) {
+ return &op->ops;
+}
+
+#define get_op_code(op) _get_op_code(op)
+#define get_op_ident(op) _get_op_ident(op)
+#define get_op_pinned(op) _get_op_pinned(op)
+#define get_op_ops(op) _get_op_ops(op)